From the ggplot2::midwest dataset, selects for midwest counties
percent high school diploma, percent college educated, percentage professional
degree, percent white, percent black, percent asian.
| HS_Diploma | numeric percent high school diploma |
| College_Edu | numeric percent college educated |
| Prof_Deg | percentage professional degree |
| White | percent white |
| Black | percent black |
| Asian | percent asian |
midwestAn object of class data.table (inherits from data.frame) with 437 rows and 7 columns.